Replacement of the alkylamino-group by an arylthio-group in some α- and β-naphthol Mannich bases has been studied. Variations in the hydrogen ion concentration, in the alkylamine group, and in the benzenethiol reagent were investigated, and the isotope effect was examined. The results indicate the occurrence of an elimination–addition reaction and an E1cB-type mechanism.
R. Andrisano, C. D. Casa and M. Tramontini, J. Chem. Soc. C, 1970, 1866 DOI: 10.1039/J39700001866
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